[Ffmpeg-devel] [BUG] VC-1 advanced profile support breaks B-frames

[Kostya]

On Sat, Sep 09, 2006 at 07:47:46PM +0200, Diego Biurrun wrote:
> This revision
> 
> ------------------------------------------------------------------------
> r6162 | kostya | 2006-09-04 06:24:49 +0200 (Mon, 04 Sep 2006) | 2 lines
> Changed paths:
>    M /trunk/libavcodec/vc1.c
> 
> VC-1 Advanced Profile support (progressive only, tested on WVC1 samples)
> ------------------------------------------------------------------------
> 
> breaks VC-1/WMV3 samples with B-frames and BI-frames like the ones
> found in
> 
> http://samples.mplayerhq.hu/V-codecs/WMV9/B-frames/
> http://samples.mplayerhq.hu/V-codecs/WMV9/BI-frames/
> 
> Motion is all jerky and the image is quite messed up.  Should be trivial
> to reproduce with ffplay or MPlayer.
> 
> Diego
> 
Well, it didn't actually "breaks" it but enabled B-frame decoding and it does
not work quite well. I will disable B-frames decoding for now.